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All Journal Jurnal Teknik Industri Jurnal Rekayasa Mesin Jurnal Teknik Mesin Jurnal Pendidikan Teknik Mesin Teknika Otopro DINAMIKA Jurnal Ilmiah Teknik Mesin Turbo : Jurnal Program Studi Teknik Mesin Dinamisia: Jurnal Pengabdian Kepada Masyarakat Riau Journal of Empowerment JURNAL PENDIDIKAN TAMBUSAI Jurnal Teknik Mesin Indonesia Jurnal Mekanova : Mekanikal, Inovasi dan Teknologi STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering JURPIKAT (Jurnal Pengabdian Kepada Masyarakat) Jurnal Energi Baru dan Terbarukan Journal of Vocational and Technical Education (JVTE) Sinergi Polmed : Jurnal Ilmiah Teknik Mesin Jurnal Ilmiah Ilmu Terapan Universitas Jambi Aceh International Journal of Science and Technology Impression : Jurnal Teknologi dan Informasi Jurnal Rekayasa Mesin Jurnal Teknik Industri Journal of Mechanical Engineering Learning Research in Education, Technology, and Multiculture
Priyo Heru Adiwibowo
Universitas Negeri Surabaya
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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Literature review of modification of u-type savonius wind turbine rotor for low wind speeds Alfatih, Muhammad Danang Ilham; Adiwibowo, Priyo Heru; Saptono, Renaldi Prima; Fani, Rayhan Aulia Iman; Pambudi, Dimas Ridho; Ciptafarizi, Muhammad Zardana; Setiawan, Kharis
JMEL : Journal of Mechanical Engineering Learning Vol. 13 No. 1 (2024): June
Publisher : Universitas Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/jmel.v13.i1.5845

Abstract

A wind turbine is one of the tools that can be used to convert wind energy into electrical energy. The increasing need for electrical energy in Indonesia and fossil fuels are running low, so alternative to fossil fuels are needed. One of them is a wind turbine that can convert wind energy into wind mechanical energy into kinetic energy in the form of turbine blades that are used to rotate generators that can produce electricity. Indonesia is an area that has low wind speed. This study aims to analyze the effect of U-type savonius wind turbine rotor modification at low wind speeds. The research method used is a qualitative method in which we conduct library research on various literature to examine the effect of turbine rotor modification. The results obtained are the addition of a guide vane or deflector and the increase in the number of blades on the turbine rotor can improve the performance of the U-type savonius wind turbine.
ANALISIS KEKUATAN TABUNG GAS LPG KAPASITAS 12 KG BERBAHAN CAST CARBON STEEL MENGGUNAKAN METODE ELEMEN HINGGA Ahmad Saepuddin; Luchyto Chandra Permadi; Priyo Heru Adiwibowo
Steam Engineering Vol. 5 No. 1 (2023): STEAM Engineering, Vol. 5, No. 1, September 2023
Publisher : Program Studi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jptm.v5i1.10963

Abstract

Liquefied Petroleum Gas (LPG) is gas that is formed from the production of oil refineries and gas refineries. An energy source that is widely used in everyday life, especially in cooking and heating applications. The purpose of this study was to examine the strength performance of a 12 kg LPG gas cylinder in the face of external pressure that occurs during normal use. The method used in writing this scientific article is to review various literature and other references related to the analysis of the strength of LPG gas cylinders using SolidWorks software with the finite element method. The results of the analysis of the strength of the structure and the factor of safety obtained are the force test of 7.826e+03 and the theoretical value of 7.827.18385 does not exceed the yield strength value (2.482 x 105). After analysis, it is known that the smallest gas cylinder safety validation value is 1,1 and a maximum of 22.7, so that the material structure is safe and can be used to manufacture 12 kg LPG gas cylinders.
PERANCANGAN PROTOTIPE SIZING MACHINE GUNA MEMPERMUDAH PEMILAHAN BIJI KOPI Saepuddin, Ahmad; Adiwibowo, Priyo Heru; Drastiawati, Novi Sukma
Steam Engineering Vol. 5 No. 2 (2024): STEAM Engineering, Vol. 5, No. 2, Maret 2024
Publisher : Program Studi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jptm.v5i2.12837

Abstract

The aim of the research is to design a tool that can assist coffee farmers in determining the quality of the coffee beans produced according to the desired grade value of the coffee beans. The tool is designed to be able to fulfill the functional value produced by the tool. So that farmers can work fast, save time in the process of grading and sorting coffee beans, able to minimize operational costs, and save energy. With an electric motor power of 1 hp, the sizing machine is capable of sorting coffee with a capacity of ±250 kg/hour, therefore a day's the process of sorting 500 kg of coffee can be achieved in less than 2 hours. This really helps coffee farmers in determining the quality of coffee beans without taking a long time.
Panas Bumi Sebagai Solusi Energi Berkelanjutan: Potensi, Teknologi, dan Pengembangan Global Khoironi, Demas; Saputra, Ferdianto Desta; Nugraha, Satria Bayu; Khansa, Abel Fisabilah; Adiwibowo, Priyo Heru
Jurnal Energi Baru dan Terbarukan Vol 6, No 2 (2025): Juli 2025
Publisher : Program Studi Magister Energi, Sekolah Pascasarjana, Universitas Diponegoro, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jebt.2025.27403

Abstract

Peningkatan kebutuhan energi global dan dampak negatif dari penggunaan bahan bakar fosil telah mendorong pencarian sumber energi alternatif yang lebih berkelanjutan. Energi panas bumi menjadi salah satu solusi yang menjanjikan karena ketersediaannya yang melimpah, emisi karbon yang rendah, serta kemampuannya dalam menyediakan listrik secara kontinu. Artikel ini bertujuan untuk menjelaskan potensi, teknologi, dan strategi pengembangan energi panas bumi di tingkat global. Artikel ini menggunakan metode studi literatur dan analisis data sekunder dari laporan industri, jurnal ilmiah, serta kebijakan pemerintah terkait pengembangan panas bumi. Artikel ini juga menjelaskan teknologi pembangkitan listrik panas bumi, seperti dry steam, flash steam, binary cycle, dan Enhanced Geothermal Systems (EGS). Artikel ini menunjukkan mengenai potensi energi panas bumi yang tersebar luas di berbagai negara dengan aktivitas vulkanik tinggi, seperti Indonesia, Amerika Serikat, Turki, Selandia Baru, dan Filipina. Namun, tantangan utama dalam pengembangannya mencakup biaya eksplorasi yang tinggi, risiko geologi, serta keterbatasan dalam infrastruktur dan regulasi. Artikel ini menegaskan bahwa meskipun terdapat berbagai tantangan, energi panas bumi tetap menjadi solusi energi yang strategis dalam mendukung transisi energi global. Dukungan kebijakan, kemajuan teknologi, serta investasi yang berkelanjutan menjadi faktor kunci dalam mempercepat pemanfaatan energi panas bumi untuk memenuhi kebutuhan energi secara berkelanjutan.
Studi Kelayakan Penerapan Pembangkit Listrik Tenaga Sampah (PLTSa) Dalam Pengelolaan Limbah Perkotaan Utomo, Wahyu Budi; Fernandito, Farrel Jordi; Pramudya, Dicky; Ueno, Muhammad Fawwas; Mukti, Fadil Rangga; Octavian, Alviananda Dio; Sodiwiryo, Kusetyono Lamiran; Adiwibowo, Priyo Heru
Jurnal Energi Baru dan Terbarukan Vol 6, No 3 (2025): Oktober 2025
Publisher : Program Studi Magister Energi, Sekolah Pascasarjana, Universitas Diponegoro, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/jebt.2025.27531

Abstract

Seiring dengan meningkatnya masalah limbah di perkotaan, penerapan teknologi Pembangkit Listrik Tenaga Sampah (PLTSa) menjadi alternatif yang menjanjikan, karena mampu mengurangi jumlah sampah sekaligus menghasilkan energi listrik. Penelitian ini bertujuan untuk mengevaluasi kelayakan PLTSa dari aspek teknis, ekonomi, lingkungan, dan sosial. Metodologi yang digunakan mencakup studi literatur, analisis data sekunder, serta kajian kasus penerapan PLTSa di beberapa kota. Hasil penelitian mengindikasikan bahwa PLTSa memiliki potensi besar dalam menangani persoalan sampah, terutama jika didukung regulasi yang memadai serta teknologi yang efisien dan ramah lingkungan. Namun, berbagai tantangan seperti tingginya biaya investasi, penerimaan masyarakat, serta dampak emisi tetap perlu dikelola dengan strategi yang tepat. Oleh karena itu, penelitian ini merekomendasikan pendekatan menyeluruh yang mencakup kebijakan, pengembangan teknologi, serta keterlibatan masyarakat. Dengan langkah tersebut, PLTSa berpotensi menjadi solusi berkelanjutan dalam pengelolaan limbah perkotaan dan mendukung ketahanan energi nasional.
Workshop Desain Produk Menggunakan Software CAD untuk Siswa SMA/SMK di Sekolah Indonesia Kota Kinabalu Malaysia Priyo Heru Adiwibowo; Ahmad Saepuddin; Akhmad Hafizh Ainur Rasyid; Muhammad Effendy; Muhaji; I Made Arsana; A Grummy Wailanduw; Indra Herlamba Siregar; Ika Nurjannah; Bellina Yunitasari; Aris Purwanto; Agung Prijo Budijono; Anovan Fadhil Muhammad
JURPIKAT Vol 7 No 1 (2026): 7.1 2026
Publisher : Politeknik Piksi Ganesha Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37339/jurpikat.v7i1.2937

Abstract

Workshop Desain Produk menggunakan software CAD merupakan bagian dari kegiatan Pengabdian kepada Masyarakat (PkM) yang diselenggarakan oleh Program Studi S1 Teknik Mesin Universitas Negeri Surabaya di Sekolah Indonesia Kota Kinabalu (SIKK). Kegiatan ini bertujuan meningkatkan keterampilan digital dan kreativitas siswa SMA/SMK melalui pembelajaran desain berbantuan komputer menggunakan perangkat lunak open source FreeCAD. Workshop dilaksanakan selama satu hari dengan materi pengenalan CAD dan FreeCAD, navigasi antarmuka, alur kerja desain produk, serta praktik pembuatan model tiga dimensi sederhana. Evaluasi kegiatan dilakukan melalui penyebaran angket kepada 30 peserta untuk mengukur pemahaman materi, kemudahan penggunaan aplikasi, kualitas fasilitator, dan manfaat kegiatan. Hasil evaluasi menunjukkan respons yang sangat positif, dengan lebih dari 85% peserta menyatakan terbantu dan memperoleh keterampilan baru. Selain itu, dokumentasi kegiatan dan penandatanganan Implementation Agreement (IA) antara UNESA dan SIKK memperkuat kerja sama kelembagaan. Secara keseluruhan, workshop ini efektif meningkatkan kompetensi digital dan motivasi siswa serta berpotensi dikembangkan sebagai program pelatihan berkelanjutan
Pengaruh Rasio Sudu Terpancung Berpenampang Segitiga Terhadap Kinerja Turbin Crossflow Priyo Heru Adiwibowo; Grummy Walianduw; Ika Nurjannah; Aris Purwanto
Impression : Jurnal Teknologi dan Informasi Vol. 3 No. 2 (2024): July 2024
Publisher : Lembaga Riset Ilmiah

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59086/jti.v3i2.1070

Abstract

Energi merupakan kebutuhan fundamental bagi kehidupan manusia. Salah satu alternatif energi terbarukan adalah Pembangkit Listrik Tenaga Mikrohidro (PLTMH), yaitu sistem pembangkit skala kecil yang memanfaatkan aliran air. Pada PLTMH, turbin crossflow banyak digunakan, namun memiliki keterbatasan dalam menghasilkan daya. Penelitian ini bertujuan untuk menganalisis pengaruh rasio sudu terpancung berpenampang segitiga terhadap kinerja turbin crossflow poros horizontal. Penelitian ini menggunakan metode eksperimen dengan memvariasikan rasio sudu terpancung  0,2; 0,4; 0,6, dibandingkan dengan sudu v yang tidak terpancung (rasio 1), dan plat datar (rasio 0) pada turbin crossflow poros horizontal. Jumlah sudu yang digunakan adalah 3 yang akan diuji dengan variasi kapasitas air sebesar, 11,024 L/s, 14,322 L/s,  dan 18,113 L/s dengan variasi pembebanan terhadap daya dan efisiensi. Hasil penelitian menunjukkan bahwa daya maksimum diperoleh pada rasio sudu terpancung 0,4 dengan kapasitas aliran 18,113 L/s dan beban 8000 gram sebesar 4,204 Watt. Efisiensi tertinggi dicapai pada rasio sudu terpancung yang sama, yaitu 0,4, dengan kapasitas 11,024 L/s dan beban 5000 gram sebesar 85,77%. Pencapaian ini disebabkan karena pada rasio sudu terpancung 0,4 aliran dapat dimanfaatkan secara lebih optimal sehingga menghasilkan putaran (RPM) yang tinggi serta torsi yang lebih besar.   Energy is a fundamental need for human life. One renewable energy alternative is the Microhydro Power Plant (PLTMH), a small-scale power generation system that utilizes water flow. In PLTMH, crossflow turbines are widely used, but have limitations in generating power. This study aims to analyze the effect of the truncated blade ratio with a triangular cross-section on the performance of a horizontal-axis crossflow turbine. This study uses an experimental method by varying the truncated blade ratio of 0.2; 0.4; 0.6, compared to untrimmed v-blades (ratio 1), and flat plates (ratio 0) in a horizontal-axis crossflow turbine. The number of blades used is 3 which will be tested with variations in water capacity of 11,024 L/s, 14,322 L/s, and 18,113 L/s with variations in loading on power and efficiency. The results of the study showed that the maximum power was obtained at a cut-off blade ratio of 0.4 with a flow capacity of 18.113 L/s and a load of 8000 grams of 4.204 Watts. The highest efficiency was achieved at the same cut-off blade ratio, namely 0.4, with a capacity of 11.024 L/s and a load of 5000 grams of 85.77%. This achievement was due to the fact that at a cut-off blade ratio of 0.4 the flow could be utilized more optimally, resulting in high rotation (RPM) and greater torque.  
Konsep Desain Kopi Combre Untuk Industri Skala Mikro Ahmad Saepuddin; Luchyto Chandra Permadi; Priyo Heru Adiwibowo; Wahyu Dwi Kurniawan; Ika Nurjannah; Novi Sukma Drastiawati; Indah Martha Fitriani; Bellina Yunitasari; Rachmad Syarifudin Hidayatullah
Riau Journal of Empowerment Vol 7 No 3 (2024)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Riau

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31258/raje.7.3.200-207

Abstract

One of the challenges faced by micro-businesses like Kopi Combre in the village of Sumberdem, Wonosari District, when they want to use packaging for their products is selecting packaging that is unique and appealing to consumers. The primary goal of this community engagement project is to provide guidance in designing packaging structures and labels suitable for the micro-scale industry, particularly for Kopi Combre. The method involves community engagement and incorporates literature studies and information analysis. This study covers aspects such as coffee product attributes, packaging structure design, and labels. The findings indicate that the most suitable packaging type for the micro-scale industry is the Pouch packaging, while the packaging and label design will feature dark colors and include information about the coffee product and a unique brand.
INTEGRATION OF RENEWABLE ENERGY OF SOLAR PV AND UTILITY PLN GRID FOR THE OPTIMAL CHARGING OF ELECTRIC VEHICLES THE RESIDENTIAL SCALE Ansori, Aris; Adiwibowo, Priyo Heru; Siregar, Indra Herlamba; Wailanduw, Grummy; Anwar, Saiful
Jurnal Ilmiah Ilmu Terapan Universitas Jambi Vol. 10 No. 3 (2026): Volume 10, Nomor 3, June 2026
Publisher : LPPM Universitas Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/jiituj.v10i3.56016

Abstract

This study proposes and evaluates an off-grid hybrid electric vehicle (EV) charging system that integrates a 5 kWp solar photovoltaic (PV) array, a 5.5 kW PLN grid connection, and a 12 kWh battery energy storage system controlled by an automatic transfer switch (ATS). The system is designed to maximize solar PV utilization while minimizing dependence on the PLN grid during peak demand periods, thereby reducing carbon emissions, electricity consumption, and charging costs. Experimental testing was conducted using two EV types: a Viar NX electric motorcycle (1.338 kWh battery capacity) and a Wuling Air EV Long Range electric car (26.7 kWh battery capacity). Both vehicles were charged from 30% to 100% state of charge under different operating conditions. Energy generation from the PV system, battery storage performance, and PLN grid contribution were monitored using kWh meters and data loggers. Performance evaluation considered energy production, electricity cost savings, and economic feasibility. Results indicate that the PV system generated an average of 12.38 kWh/day for EV charging. During the dry season, monthly PV generation ranged from 368.40 to 383.78 kWh, while production declined to approximately 286.75 kWh during the rainy season because of reduced solar irradiation. The battery storage and PLN grid effectively compensated for low PV output, ensuring uninterrupted charging. Solar PV supplied approximately 48.06% of the total EV charging energy demand, with charging performance strongly influenced by daytime charging schedules and favorable weather conditions. These findings confirm the technical and economic feasibility of residential-scale hybrid solar PV-based EV charging systems.
Optimizing Performance of Electric Vehicle Charging Systems Using Solar PV Tree Models Aris Ansori; Priyo Heru Adiwibowo; Indra Herlamba Siregar; Grummy Wailanduw; Saiful Anwar; Edy Herianto Majlan
Research in Education, Technology, and Multiculture Vol 5, No 3 (2026): Research in Education, Technology, and Multiculture
Publisher : Institute of Multidisciplinary Research and Community Service

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61436/rietm/v5i3.pp280-292

Abstract

The transition to electric vehicles in the transportation sector has had a positive impact on reducing carbon emissions. However, the availability of electricity from renewable energy sources to charge electric vehicles (EVs) remains very limited in both rural and urban areas. The abundant potential of renewable energy sources, such as solar energy, presents challenges in their application as a power source for charging electric vehicles. This study aims to design and analyze the performance of electric vehicle charging using a solar PV tree model. The solar PV installation uses a 152.4 mm diameter iron pipe, with four solar PVs installed in a circle at 90° intervals and a tilt angle of 15°. Eight solar PV trees are installed in a row on the side of the road in the city of Surabaya, geographically located at latitude south 7°9′-7°21′ and longitude east 112°36′-112°54′. The solar PV tree performance measurement method uses IEC 61724-1. The measured electrical parameters consist of voltage, current, power, and solar PV energy efficiency. Electrical energy measurement is divided into two measurements: electrical energy directly used to charge electric vehicles using a kWh meter, and electrical energy stored in energy storage batteries. Solar PV performance testing uses two types of EV loads: an electric car with a charging capacity of 37.9 kWh and an electric bicycle with a charging capacity of 1.75 kWh. Solar PV testing with a tree model can increase sunlight capture with a leaf-like installation model, and it is easy to place in a park or along the roadside. A solar PV system with a capacity of 8 kWp can produce an average of 18.9718 kWh/day, with an efficiency of 2.63% when the sky is clear and sunlight lasts 8 hours. This solar power plant can charge electric bicycles with 1.22 kWh from a full capacity of 1.75 kWh, and electric cars with 14.31 kWh from a full capacity of 37.9 kWh, with an energy loss of approximately 11.5% during charging. Meanwhile, in terms of economic feasibility, with an electricity price of IDR 2,950/kWh, charging electric vehicles (EVs) is economically feasible with a Benefit Cost Ratio (BCR) of 1.23. The solar power plant's investment capital will be returned in eleven years and two months.Keywords: Solar PV trees, EV charging, Electric vehicles, Renewable energy.
Co-Authors -, Masykur A. Grummy Wailanduw Abda Abda AGUNG PRIJO BUDIJONO Ahmad Saepuddin Alfatih, Muhammad Danang Ilham Anggraini, Widiya Anovan Fadhil Muhammad Anshori, Latif ARI PRADANA, RIZKI Arianto, Christoper Jou Farrel ARIPRASETYA, SENA Aris Ansori Aris Ansori Aris Purwanto Aristandi, Anang Bellina Yunitasari Bellina Yunitasari Budihardjo Achmadi Hasyim Ciptafarizi, Muhammad Zardana Dany Iman Santoso Dyoritu, Vico Jose Edy Herianto Majlan Fani, Rayhan Aulia Iman FARID RAHMAN HAKIM, MUHAMMAD Fathana, Adhistya Ahnaf Fadhil Fernanda, Andi Dwi Fernandito, Farrel Jordi FITRIANA, MAHMUDA Gimnastyar, Andrias Grummy Walianduw HAFIZH AINUR RASYID, AKHMAD HAPSARI WIBAWANTO, HERNING Hariyanto, Farhan Eka Terang Hidayat, Bagus Mukti I Made Arsana Ika Nurjannah Ika Nurjannah ILHAM PRABOWO, BOY Ilriansyah, Muhammad Ryo Indah Martha Fitriani INDAH WAHYU NINGTYAS, NUR Indra Herlamba Siregar Indra Herlamba Siregar Iskandar Iskandar Jatmiko, Danang Tri Junaidi, Mario Verinanda Khafid KHAIRUL ANAM, DIMAS Khansa, Abel Fisabilah Khoironi, Demas KHOLBIKA FITROH, HANNAS Krisdianto, Odik Dwi Luchyto Chandra Permadi Luqmanul Hakim Mario Verinanda Junaidi MAULANA, TUTUR Muhaji Muhammad Effendy Muhammad Farhanuddin Wijaya Muhammad, Anovan Fadhil Mukti, Fadil Rangga NASHRULLAH, ALFIAN Novi Sukma Drastiawati Novi Sukma Drastiawati Nugraha, Satria Bayu Octavian, Alviananda Dio Pambudi, Dimas Ridho PANJI NUGROHO, PEGGY PRADANA ASPRILIANSYAH, IQSWANDA Pramudito, Estu Arya Pramudya, Dicky Pratama, Eksa Fernando Purnomo, Seno Aji Putra, Alrivan Prananda Rachmad Syarifudin Hidayatullah RYAN PRIAMBODHO, GIGGA Saifuddin Z, Mohammad Saiful Anwar Saiful Anwar Santoso, Budi Saptono, Renaldi Prima Saputra, Ferdianto Desta Saputra, Rico Arya Sari, Handini Novita Siswoyo, Dirgha Andi Sodiwiryo, Kusetyono Lamiran SUTRIMO, DIAN Ueno, Muhammad Fawwas Vablo Gloria, Siagian, Jevandra Valentino, Alvaro WAHDANI INSANTO, MUHAMMAD Wahyu Budi Utomo Wahyu Dwi Kurniawan Yasin, Yusuf Febryan Yudi Sukmono Zaki, Fatih